public async Task <IActionResult> DeleteAsync(int id)
        {
            var reward = _rewardService.GetReward(id);

            if (reward == null)
            {
                return(NotFound());
            }

            var authResult = await _authorizationService.AuthorizeAsync(User, reward, Policy.CanDeleteReward);

            if (!authResult.Succeeded)
            {
                return(Forbid());
            }

            if (reward.Review?.IsApproved == true)
            {
                reward.IsDeleted = true;
                _rewardService.SaveChanges();
            }
            else
            {
                var files = reward.RewardAttachments.Select(a => a.File).ToList();
                _rewardService.DeleteReward(reward);
                _rewardService.SaveChanges();

                foreach (var file in files)
                {
                    if (!_rewardService.IsAttachedToReward(file.Id))
                    {
                        _fileService.DeleteFile(file.Id);
                    }
                }
            }

            _logger.LogInformation("{user} deleted reward {reward}", User.Identity.Name, id);

            return(RedirectToAction("Index"));
        }